US20170259983A1 - Container and Method of Forming a Container - Google Patents

Container and Method of Forming a Container Download PDF

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Publication number
US20170259983A1
US20170259983A1 US15/458,344 US201715458344A US2017259983A1 US 20170259983 A1 US20170259983 A1 US 20170259983A1 US 201715458344 A US201715458344 A US 201715458344A US 2017259983 A1 US2017259983 A1 US 2017259983A1
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US
United States
Prior art keywords
wall
container
dimple
hardness value
insulated
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Pending
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US15/458,344
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English (en)
Inventor
John Alan Tolman
Roy Joseph Seiders
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yeti Coolers LLC
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Yeti Coolers LLC
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Publication date
Application filed by Yeti Coolers LLC filed Critical Yeti Coolers LLC
Priority to US15/458,344 priority Critical patent/US20170259983A1/en
Assigned to YETI COOLERS, LLC reassignment YETI COOLERS, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SEIDERS, ROY JOSEPH, TOLMAN, JOHN ALAN
Publication of US20170259983A1 publication Critical patent/US20170259983A1/en
Assigned to BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT reassignment BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT PATENT SECURITY AGREEMENT Assignors: YETI COOLERS, LLC
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3837—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a bottle, jar or like container
    • B65D81/3841—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a bottle, jar or like container formed with double walls, i.e. hollow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3865—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation drinking cups or like containers
    • B65D81/3869—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation drinking cups or like containers formed with double walls, i.e. hollow
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/22—Drinking vessels or saucers used for table service
    • A47G19/2205—Drinking glasses or vessels
    • A47G19/2266—Means for facilitating drinking, e.g. for infants or invalids
    • A47G19/2272—Means for facilitating drinking, e.g. for infants or invalids from drinking glasses or cups comprising lids or covers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
    • A47J41/02—Vacuum-jacket vessels, e.g. vacuum bottles
    • A47J41/022—Constructional details of the elements forming vacuum space
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
    • A47J41/02—Vacuum-jacket vessels, e.g. vacuum bottles
    • A47J41/022—Constructional details of the elements forming vacuum space
    • A47J41/028—Constructional details of the elements forming vacuum space made of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/74—Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding
    • B29C70/76—Moulding on edges or extremities of the preformed part
    • B29C70/766—Moulding on edges or extremities of the preformed part on the end part of a tubular article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/18—Dissimilar materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7132—Bowls, Cups, Glasses
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
    • C22F1/18—High-melting or refractory metals or alloys based thereon
    • C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon

Definitions

  • the present disclosure herein relates broadly to containers, and more specifically to drinkware containers used for drinkable beverages or foods.
  • a container may be configured to store a volume of liquid.
  • Containers can be filled with hot or cold drinkable liquids, such as water, coffee, tea, soft drink, or alcoholic beverage, such as beer.
  • hot or cold drinkable liquids such as water, coffee, tea, soft drink, or alcoholic beverage, such as beer.
  • These containers can be formed of a double-wall vacuumed formed construction to provide insulative properties to help maintain the temperature of the liquid within the container.
  • an insulating container can be configured to retain a volume of liquid.
  • the insulating container can include a first inner wall having a first end with an opening extending into an internal reservoir for receiving liquid, along with a second outer wall and a bottom portion forming an outer shell of the container. The bottom portion forms a second end configured to support the container on a surface.
  • the bottom portion may also include a dimple.
  • the dimple can include a circular base and an inner portion converging to an opening extending into the second outer wall.
  • the opening can be sealed by a resin.
  • a circular base of the dimple can be covered by disc formed of the same material as the container.
  • a cap can cover the dimple, and a weld can connect the cap to the second outer wall.
  • the container can also include a sealed vacuum cavity forming an insulated double wall structure between the first inner wall and the second outer wall.
  • FIG. 1 depicts an isometric view of an example container, according to one or more aspects described herein.
  • FIG. 2 depicts a cross-sectional view of the container of FIG. 1 , according to one or more aspects described herein.
  • FIG. 3 depicts a partial and enlarged cross-sectional view of the container of FIG. 1 , according to one or more aspects described herein.
  • FIG. 4A depicts another partial and enlarged cross-sectional view of the container of FIG. 1 , according to one or more aspects described herein.
  • FIG. 4B depicts another isometric view of the container of FIG. 1 , according to one or more aspects described herein.
  • FIG. 5 depicts an isometric view of another example container, according to one or more aspects described herein.
  • FIG. 6 depicts a cross-sectional view of the container of FIG. 5 , according to one or more aspects described herein.
  • FIG. 7 depicts a partial and enlarged cross-sectional view of the container of FIG. 5 , according to one or more aspects described herein.
  • FIG. 8 depicts a cross-sectional view of another example container, according to one or more aspects described herein.
  • FIG. 9 depicts a partial and enlarged cross-sectional view of the example container of FIG. 8 , according to one or more aspects described herein.
  • FIG. 10 depicts another partial and enlarged cross-sectional view of the example container of FIG. 8 , according to one or more aspects described herein.
  • FIG. 11 depicts a cross-sectional view of another example container, according to one or more aspects described herein.
  • FIG. 1 depicts an isometric view of an insulating container 100 .
  • the container 100 may be configured to store a volume of liquid.
  • the container 100 generally includes a top portion having an opening 102 and an internal reservoir 104 for storing a liquid.
  • the container 100 includes a first inner wall 106 and a second outer wall 108 .
  • the first inner wall 106 and the second outer wall 108 form a sealed vacuum cavity 126 between the first inner wall 106 and the second outer wall 108 to form an insulated double-wall structure.
  • the first inner wall 106 has a first end 110 which defines the opening 102 extending into the internal reservoir 104 for receiving liquid.
  • the second outer wall 108 forms an outer shell of the container 100 .
  • the second outer wall 108 can be formed of a side wall 109 and a bottom portion 128 , which forms a second end 114 to support the container 100 on a surface.
  • the bottom portion 128 can include a dimple 116 that is used during the vacuum formation process, which is discussed in further detail below.
  • the dimple 116 can be covered by a correspondingly-shaped disc 124 such that the dimple 116 is not visible to the user. It is noted, however, that the disc 124 is shown in the various views with different shading from the container 100 to better illustrate the aspects of the disc 124 to the reader.
  • FIGS. 3 and 4A show magnified portions of cross-sections of the container 100 illustrating the dimple 116 in additional detail.
  • the dimple 116 can generally resemble a dome shape. However, other suitable shapes are contemplated for receiving the resin material during the manufacturing process, such as a cone, or frustoconical shape.
  • the dimple 116 can include a circular base 118 and an inner portion 120 converging to an opening 122 extending into the second outer wall 108 . As discussed below, the opening 122 can be sealed by a resin (not shown).
  • the resin seals the opening 122 to provide the sealed vacuum cavity 126 between the first inner wall 106 and the second outer wall 108 in formation of the insulated double-wall structure.
  • the circular base 118 can be covered by the disc 124 , which can be formed of the same material as the second outer wall 108 and the first inner wall 106 .
  • the first inner wall 106 , the second outer wall 108 , and the disc 124 can be formed of either titanium or stainless steel.
  • other suitable materials are contemplated as discussed herein.
  • the disc 124 can be placed flush with the bottom surface 128 of the second outer wall 108 .
  • the disc can be polished, for example by mechanical abrasion (grinding wheel, polishing wheel, etc.), chemical polishing, or electro-chemical polishing. In this way, the disc 124 and the dimple 116 are not visually apparent to the end user.
  • the disc 124 can be connected to the second outer wall 108 by welding.
  • the disc 124 can be laser welded, arc welded, silver soldered, or brazed to the second outer wall 108 about the perimeter of the circular base 118 of the dimple 116 .
  • a laser welding process can help to provide a less noticeable welding line to provide a cleaner look on the final product.
  • the weld line is smaller and less polishing is required to hide the weld line to the user.
  • the resin can seal the disc 124 to the second outer wall 108 .
  • the disc 124 could be placed on top of a larger amount of resin such that during the heating of the resin, the disc 124 would then be secured to the container 100 .
  • the disc 124 can be polished such that the disc 124 is not readily apparent or noticeable to the user.
  • the dimple 116 is located in the bottom portion 128 of the second outer wall 108 . As shown in FIG. 2 , the dimple 116 can be offset from a center of the bottom portion 128 . This can allow for the placement of a logo on the bottom portion of the container 200 . In alternative examples, the dimple 116 can be located in other locations in the second outer wall 108 . For example, the dimple 116 can be located in different locations on the bottom portion 128 or any one of the side surfaces of the container 100 on the second outer wall 108 as illustrated by A, B, and C in FIG. 4B . It is also contemplated that the dimple 116 could be located at any location on the first inner wall 106 . It is also contemplated that multiple dimples could also be provided if desired for forming the vacuum area.
  • FIG. 5 depicts an isometric view of another example container 200
  • FIG. 6 depicts a cross-sectional view of the example container, in which like reference numerals indicate similar elements, which have similar features and functionality as in the example discussed in relation to FIGS. 1-4 .
  • the container 200 generally includes a top portion having an opening 202 leading to an internal reservoir 204 for storing a liquid.
  • the container 200 may comprise an end cap 205 .
  • the container 200 generally includes a top portion having an opening 202 and an internal reservoir 204 for storing a liquid.
  • FIG. 6 which is a cross-sectional view of the container 200 , the container 200 includes a first inner wall 206 and a second outer wall 208 .
  • the first inner wall 206 and the second outer wall 208 form a sealed vacuum cavity 226 between the first inner wall 206 and the second outer wall 208 to form an insulated double-wall structure.
  • the first inner wall 206 has a first end 210 which defines the opening 202 extending into the internal reservoir 204 for receiving liquid.
  • the second outer wall 208 forms an outer shell of the container 200 .
  • the second outer wall 208 also includes a bottom section 228 , which can include concentric ridges to increase the rigidity of the otherwise flat structure, so that it does not deflect inward during formation of the vacuum, where it could potentially touch the inner wall 206 and compromise the vacuum insulation.
  • the second outer wall 208 can include a dimple 216 that is used during the vacuum formation process discussed herein.
  • the dimple 216 can be located in the bottom section 228 of the second outer wall 208 . More specifically, the bottom section 228 defines a center, and the dimple 216 can be located at the center. In this example, the dimple 216 can resemble a dome shape. However, as discussed herein, other suitable shapes are contemplated for receiving the resin material during the manufacturing process.
  • the end cap 205 covers the dimple 216 .
  • the end cap 205 can be welded to the second outer wall 208 .
  • the weld forms a seam 234 , and the seam 234 can be polished such that the weld is not apparent to the user. It is noted, however, that the seam 234 is illustrated in the drawings to better illustrate the exemplary features of the container 200 to the reader.
  • the end cap 205 also supports the container 200 on a surface.
  • FIG. 7 shows an enlarged view of a cross-sectional view of the assembly of the end cap 205 to the second outer wall 208 .
  • the second outer wall 208 can include a radially and axially extending flange 232 , which includes a first portion 232 A and a second portion 232 B diverging from the first portion 232 A.
  • the first portion 232 A receives the bottom section 228 of the second outer wall 208
  • the second portion 232 B receives the end cap 205 .
  • the first portion 232 A of the flange 232 provides a mounting surface for the bottom section 228 of the second outer wall 208 .
  • the bottom section 228 includes a corresponding flange 236 that extends in the axial direction.
  • the bottom section 228 of the second outer wall 208 can be press-fit onto the second outer wall 208 on the inner wall of the first portion 232 A of the flange 232 , and the bottom section flange 236 can be welded to the first portion 232 A of the flange 232 by any suitable welding method, such as a laser welding, brazing process, arc welding, or a silver soldering.
  • the end cap 205 can be secured to the second portion 232 B of the flange 232 .
  • the end cap 205 can also be press fit onto the outer surface of the first portion 232 A of the flange.
  • the end cap 205 can be welded in place by any suitable welding method, such as a laser welding, brazing process, arc welding, or a silver soldering, to form the seam 234 .
  • the seam 234 can be polished such that it is no longer noticeable to the user.
  • both the second outer wall 108 and the end cap 205 can be configured to dampen the amount of sound that occurs when the containers 100 , 200 are placed onto a surface.
  • a weight component for example rubber, plastic, or metal, can be included on the backside of the second outer wall 108 or within the end cap 205 for damping sound when the containers 100 , 200 are placed on a surface.
  • an internal cavity 230 is formed between a bottom wall of the cap and the second outer wall 208 .
  • the weight component can be included in the internal cavity 230 of the end cap 205 in order to decrease the sound of the container 200 when it is placed onto a surface.
  • the component can be adhered, removably fastened or welded to the second outer wall or the end cap 205 in the internal cavity 230 to assist in damping the sound when the containers 100 , 200 are placed onto a surface.
  • the weight component can be configured to withstand the heat of the vacuumization chamber, which in certain instances can be greater than 500° C.
  • the weight component placed into the end cap 205 for damping purposes does not have to be configured to withstand the heat of the vacuumization chamber, since the end cap 205 can be added after the vacuum is formed.
  • the second outer wall 108 or the end cap 205 can be provided with a ripple shape or can be provided with various undulations in order to provide damping when the containers 100 , 200 are placed onto a surface.
  • multiple divots could be provided on the second outer walls 108 , 208 , and each divot can be filled with resin to provide for additional sound damping when the containers 100 , 200 are placed onto a solid surface.
  • the wall thickness of the bottom portion 128 of the second outer wall 108 can be greater than the thickness of the side walls 109 to assist in damping the sound when the insulating container 100 is placed onto a surface.
  • the wall thickness of the side walls 109 can be approximately 0.5 mm to 0.75 mm, and the wall thickness of the bottom portion 128 can be approximately 0.8 mm to 1.1 mm.
  • the side walls thickness can be approximately 0.7 mm, and the wall thickness of the bottom portion 128 can be approximately 0.9 mm to 1.5 mm or greater. Therefore, in certain examples, the wall thickness of the bottom portion 128 can be twice as thick as the wall thickness of the side walls 109 .
  • the first inner wall 106 thickness can be the same thickness as the side wall thickness.
  • the wall thickness of end cap 205 can be greater than the thickness of the second outer wall 208 to assist in damping the sound when the insulating container 200 is placed onto a surface.
  • the wall thickness of the second outer wall 208 can be approximately 0.5 mm to 0.75 mm, and the wall thickness of the end cap 205 can be approximately 0.8 mm to 1.5 mm or greater.
  • the outer wall thickness can be approximately 0.7 mm, and the wall thickness of the cap can be approximately 0.9 mm to 1.1 mm. Therefore, in certain examples, the wall thickness of the end cap 205 can be twice as thick as the wall thickness of the second outer wall 208 .
  • the first inner wall 206 thickness can be the same thickness as the second outer wall 208 thickness.
  • the containers 100 and 200 may include one or more insulating elements configured to reduce a rate of heat transfer to or from a material stored within the container.
  • the containers 100 and 200 may be configured with a vacuum-sealed insulating structure, which can also be referred to as a vacuum-sealed double wall structure, or an insulated double wall structure, and such that a vacuum is maintained between the first inner walls 106 , 206 and the second outer walls 108 , 208 of the containers 100 and 200 .
  • sealed vacuum cavities 126 , 226 may be sandwiched between the first inner walls 106 , 206 and the outer walls 108 , 208 .
  • implementations of insulating structures that utilize one or more vacuum chambers to reduce heat transfer by conduction, convection and/or radiation may be utilized within the containers 100 , 200 .
  • the air within the container can be removed by heating the container within the vacuum and removing the air between the first inner walls 106 , 206 and the second outer walls 108 , 208 through the openings in the divots or dimples 116 , 216 located on the second outer walls 108 , 208 .
  • the containers 100 , 200 can be oriented inverted within a vacuum formation chamber, and a resin, which can be in the shape of a pill, can be placed into the divot or dimple during the vacuum forming process.
  • the resin can be approximately 3 mm to 5 mm in diameter, and the openings in the dimples 116 , 216 can be approximately 1 mm in size.
  • the resin becomes viscous so as to not flow or drip into the container through the opening, but permeable to air such that the air escapes the internal volumes of the containers.
  • the resin cools and solidifies, it covers the openings of the dimples 116 , 216 and seals the internal volumes of the containers 100 , 200 to form the vacuums within the containers 100 , 200 .
  • the divots' openings can then be covered or sealed such that water and other debris do not come into contact with the resin or the dimple.
  • the dimples or divots 116 , 216 can be covered or sealed with either a disc 124 or with an end cap 205 . Welding the disc 124 to the bottom of the container 100 or welding the end cap 205 to the bottom of the second outer wall 208 provides a more permanent structure that can be repeatedly used and washed without compromising the structural integrity of the containers 100 , 200 . Covering the divots with the disc may result in a more compact container since the end cap will add to the overall length of the container. This may help in saving costs in manufacturing the container, since less material is needed. Additionally, the container will be able to store more liquid within a smaller container volume and length.
  • various other techniques can be used to cover or seal the dimple, which may include painting the resin, powder coating the dimple, adhering metal or paper over the opening, or adding a rubber or plastic piece to cover the opening. Including a rubber or plastic piece on the bottom may also provide a non-skid surface, which can prevent the container from sliding along a smooth surface.
  • the cavities 126 , 226 between the first inner walls 106 , 206 and the outer walls 108 , 208 may be filled with various insulating materials that exhibit low thermal conductivity.
  • the cavities 126 , 226 may, in certain examples, be filled with air to form air pockets for insulation or a mass of material such as a polymer material, or a polymer foam material.
  • the cavities 126 , 226 may be filled with polystyrene.
  • additional or alternative insulating materials may be utilized to fill the cavities 126 , 226 , without departing from the scope of these disclosures.
  • a thickness of the cavities 126 , 226 may be embodied with any dimensional value, without departing from the scope of these disclosures.
  • an inner surface of one or more of the first inner walls 106 , 206 or the second outer walls 108 , 208 of the containers 100 , 200 may comprise a silvered surface, copper plated, or covered with thin aluminum foil configured to reduce heat transfer by radiation.
  • the containers 100 , 200 can include insulated lids for preventing heat transfer to or from liquids stored within the containers 100 , 200 . Such lids can be insulated using the techniques described herein.
  • the containers 100 , 200 may be constructed from one or more metals, alloys, polymers, ceramics, or fiber-reinforced materials. Additionally, the containers 100 , 200 may be constructed using one or more hot or cold working processes (e.g. stamping, casting, molding, drilling, grinding, forging, among others). For example, the first inner walls 106 , 206 and the second outer walls 108 , 208 can be formed as single sheets of material and rolled into cylinders and welded together at a seam. The seam can be polished such that the welded portions are not visible to the user. In one implementation, the containers 100 , 200 may be constructed using a stainless steel. In one specific example, the container 100 , 200 may be formed substantially of 304 stainless steel. In another implementation, the containers 100 , 200 may be constructed using titanium or a titanium alloy.
  • FIGS. 8-10 show another example container 300 having a similar construction and functionality as the examples discussed above in relation to FIGS. 5-7 , where like reference numerals represent like features having similar functionality.
  • the container 300 can be formed using similar techniques and materials as discussed in the above examples.
  • the end cap 305 instead of using a press-fit to first secure the end cap 305 to the bottom of the container, the end cap 305 can be held in place by only a weld, such as a laser weld, brazing process, arc weld, or a silver solder, to form the seam 334 .
  • a weld such as a laser weld, brazing process, arc weld, or a silver solder
  • the sidewall 309 may provide a mounting surface for both the bottom section 328 of the second outer wall 308 and the end cap 305 .
  • the sidewall 309 can include a small vertical wall section 309 A for receiving both the end cap 305 and the bottom section 328 .
  • the bottom section 328 of the second outer wall 308 may include an axially extending flange 336 for securing the bottom section 328 to the sidewall 309 .
  • the bottom section 328 can be secured to an inner portion of the sidewall 309 on or near the small vertical wall section 309 A by the axially extending flange 336 of the bottom section 328 . This may be accomplished by any suitable method, e.g., such as laser welding, brazing processes, arc welding, or silver soldering. Once the bottom section 328 is secured to the sidewall 309 , the container 300 can undergo the vacuumization process as discussed herein.
  • the end cap 305 can be secured to the bottom of the sidewall 309 at the small vertical wall section 309 A, again by any suitable method, such as a laser welding, brazing processes, arc welding, or silver soldering.
  • the weld between the end cap and the sidewall can be a laser welded but joint.
  • laser welding the end cap 305 to the sidewall 309 can help to avoid any burn marks on the second outer wall 308 to give a better finish to the outside of the container 300 after the outside of the container 300 is polished.
  • the small vertical wall section 309 A, the end cap 305 and seam 334 can match the profile of the second outer wall 308 to give the entire outside portion of the container a consistent and continuous profile. Additionally, the small vertical wall section 309 A can be shortened as much as possible to give the outside portion of the container a consistent and continuous profile. Moreover, in alternative embodiments, where the container has vertical walls the vertical wall section 309 A may not be required.
  • FIG. 11 schematically depicts a cross-sectional view of another example container 1100 .
  • container 1100 has geometrical features similar to container 300 , and comprises an outer wall 1102 , an inner wall 1104 , and an end cap 1106 .
  • the container 1100 may be constructed from two or more materials configured to provide a combination of structural properties.
  • a first material may be utilized to provide increased hardness at one or more areas or structural features of the container 1100 that are more likely to be subjected to impact forces during use of the container 1100 (e.g. areas or features of container 1100 likely to be impacted/ struck by incidental dropping, during transport, or generally during daily use of the container 1100 , among others).
  • container 1100 may utilize a second material to construct structural elements that will not be configured to resist external impact forces to the same extent as the first material, and the like.
  • the second material may comprise a comparatively softer material than the first material.
  • the second material may have a comparatively lower density than the first material, which may be utilized to reduce an overall mass of the container 1100 .
  • the second material may also have comparatively increased malleability than the first material, such that the second material may be utilized for elements of the container 1100 subjected to increased stretching forces during one or more forming processes used to construct the container 1100 .
  • the first and second materials may comprise different thicknesses depending on the desired mechanical properties of the container. For example, the first material may be formed thinner than the second material, or the second material may be formed thinner than the first material. Forming one of the first or second materials thinner may help to provide an otherwise lighter weight container.
  • the outer wall 1102 and the end cap 1106 may be constructed from the first material having comparatively higher hardness (e.g. resistance to indentation) and/or strength (e.g. ultimate tensile strength or yield strength) than the second material.
  • the second material may be utilized to construct the inner wall 1104 , with the second material having comparatively lower hardness and/or strength properties than the first material.
  • this described methodology may be generalized and used with alternative container geometries than those of container 1100 , such that the first material may be utilized to construct one or more elements benefiting from increased hardness and/or strength in order to resist indentation and/or deformation and fracture as a result of impacts to external surfaces of alternative container geometries, and the second material may be utilized to construct one or more elements of the alternative container geometries that are subject to comparatively higher stretching forces during one or more forming processes.
  • a container such as container 1100
  • the first material may be utilized to construct the inner wall 1104 .
  • the second material may be utilized to construct one or more of the outer wall 1102 and the end cap 1106 .
  • the inner wall 1104 may comprise the comparatively harder first material and one or more of the outer wall 1102 and the end cap 1106 may comprise the comparatively softer second material, without departing from the scope of these disclosures.
  • the first material which can be a higher grade material, is used to construct the inner wall 1104 . Because of the higher grade material, the inner wall 1104 , in this case, can be formed thinner than the outer wall 1102 during the formation process. This may allow for the overall container 1100 to be formed lighter by way of reducing the thickness of the inner wall of the container.
  • container 1100 may be constructed from two different types of titanium.
  • the first material as previously described, may comprise a titanium alloy, such as Grade 5 Titanium (Grade 5 as described by the ASTM standard for titanium), Ti6Al4V.
  • the second material as previously described, may comprise a softer titanium, such as commercially pure Titanium (e.g. Grade 1, Grade 2, Grade 3, Grade 4, Grade 7, or Grade 11 titanium, as defined by the ASTM standard for titanium).
  • the first material and the second material may be two different grades of titanium, as defined by the ASTM standard for titanium, other than those described herein.
  • the container 1100 may be constructed from two or more different metals or alloys.
  • the outer wall 1102 and the end cap 1106 may be constructed from a titanium (e.g. Grade 5 titanium, Ti6Al4V, as defined by the ASTM standard for titanium), and the inner wall 1104 may be constructed from an aluminum alloy (e.g. 7068 aluminum, 7075 aluminum, 6061 aluminum, 6063 aluminum, 2024 aluminum, 5052 aluminum, or 7050 aluminum, among others).
  • the outer wall 1102 and the end cap 1106 may be constructed from a comparatively stronger titanium alloy, and the inner wall 1104 may be can structure from a comparatively softer, but also a comparatively lighter, aluminum alloy.
  • the combined strength of the titanium alloy on the outer wall 1102 and the end cap 1106 with the weight reduction of an aluminum alloy on the inner wall 1104 may result in the container 1100 having a combination of properties configured to resist indentation, deformation, and/or fracture on those external surfaces more likely to be subjected to incidental impact during use of the container 1100 , and combined with weight reduction for those elements of the container 1100 that are less likely to be subjected to incidental impact forces during use.
  • additional or alternative metals or alloys may be utilized in addition to, or as alternatives to, the titanium and aluminum alloys described above.
  • the container 1100 may utilize one or more of stainless steels, copper, brass, or a magnesium alloy, among others.
  • the container 1100 may be constructed from one or more metals or alloys in combination with one or more polymers.
  • the outer wall 1102 and the end cap 1106 may be constructed from a titanium (e.g. Grade 5 titanium, Ti6Al4V, as defined by the ASTM standard for titanium), and the inner wall 1104 may be constructed from a polymer.
  • the polymer used to construct the inner wall 1104 may reduce the weight of the container 1100 while the titanium alloy may provide comparatively higher hardness and/or strength for those surfaces more likely to be impacted during transport or use of the container 1100 .
  • one or more polymers utilized to construct the inner wall 1104 may include, among others, Acrylonitrile Butadiene Styrene, polypropylene, polyethylene, polystyrene, polyvinyl chloride, nylon, polycarbonate or acrylic, or combinations thereof.
  • the outer wall 1102 and the inner wall 1104 of the container 1100 may be welded to one another (e.g. circumferentially welded at points 1108 a and 1108 b ). Further, it is contemplated that any welding process may be utilized, including, among others, laser and arc welding. In certain examples, a filler metal may be used in order to weld the dissimilar materials. Similarly, the outer wall 1110 may be welded to the end cap 1106 . However, additional or alternative coupling mechanisms are contemplated, without departing from the scope of these disclosures, including, among others, press fitting, adhesives, or mechanical fasteners (e.g. rivets, bolts, or staples, among others).
  • the container 1100 may be constructed from a single metal or alloy, and selected portions of, in one example, the outer wall 1102 , may be hardened after the container 1100 is constructed using one or more heat treatment processes (e.g. tempering, precipitation hardening, or quenching).
  • the container 1100 may be constructed by coupling the outer wall 1102 , the inner wall 1104 , and the end cap 1106 to one another. Subsequently, one or more of the outer wall 1102 and the end cap 1106 may be subjected to localized heating in order to increase the strength of the structures using one or more of tempering, precipitation hardening, or quenching.
  • the container 1100 may be constructed from two or more materials such that edges/ corners of the container 1100 are constructed using a harder material than the remainder of the insulating container 1100 in order to resist indentation within those areas more likely to be subjected to an external impact force.
  • corners 1110 a - 1110 b and 1112 a - 1112 b may be constructed from the first material, with those mechanical properties of the first material as previously described, and the remainder of the insulating container 1100 may be constructed from the second material, with those mechanical properties of the second material as previously described.
  • an insulating container formed of a material can include a first inner wall having a first end having an opening extending into an internal reservoir for receiving liquid, and a second outer wall forming an outer shell of the container.
  • the second outer wall can include a second end configured to support the container on a surface.
  • the second outer wall can include a dimple, and the dimple can include a circular base and an inner portion converging to an opening extending into the second outer wall.
  • the opening can be sealed by a resin, and the circular base can be covered by disc formed of the same material as the container.
  • the container can also include a sealed vacuum cavity forming an insulated double wall structure between the first inner wall and the second outer wall.
  • the first inner wall can be constructed from a first material having a first hardness and the second outer wall can be constructed from a second material having a second hardness higher than the first hardness.
  • the first material can have a first density and the second material can have a second density, higher than the first density.
  • the first material can be a first grade of titanium, such as Grade 2 Titanium, and the second material can be a second grade of titanium, such as Grade 5 Titanium.
  • the first material can be a first type of steel, which can be a first type of stainless steel, and the second material can be a second type of steel, which can be a second type of stainless steel.
  • the first material can be an aluminum alloy and the second material can be a titanium alloy.
  • the first inner wall, the second outer wall, and the disc can be stainless steel or titanium.
  • the second outer wall can include a bottom surface, and the dimple can be located in the bottom surface.
  • the bottom surface can define a center, and the dimple can be offset from the center and can resemble a dome, cone, or frustoconical shape.
  • the disc can be flush with a surface of the second outer wall such that the disc and dimple are not visually apparent to a user.
  • a weld can connect the disc to the second outer wall.
  • the resin seals the disc to the second outer wall.
  • an insulating container can be formed of a material and can include a first inner wall having a first end having an opening extending into an internal reservoir for receiving liquid, and a second outer wall forming an outer shell of the container.
  • the second outer wall can include a dimple, and the dimple can include a circular base and an inner portion converging to an opening extending into the second outer wall.
  • the dimple can resemble a dome, conical, or frustoconical shape.
  • the opening can be sealed by a resin.
  • the container may also include a sealed vacuum cavity forming an insulated double wall structure between the first inner wall and the second outer wall.
  • the second outer wall can include a bottom surface, and the dimple can be located in the bottom surface. The bottom surface can define a center, and the dimple can be located at the center.
  • a cap can cover the dimple, and a weld can connect the cap to the second outer wall, and the weld can be not apparent to the user.
  • the cap can support the container on a surface, and the cap can receive a weight for damping sound when the container is placed on a surface.
  • the second outer wall can have a first thickness, and the cap can have a second thickness and wherein the second thickness can be greater than the first thickness to dampen the sound when the insulating container is placed onto a surface.
  • a method of forming an insulating container can include one or more of forming a first inner wall of a material defining a first end of the container, the first end having an opening extending into an internal reservoir for receiving liquid, forming a second outer wall of the material into an outer shell for the container, the second outer wall defining a second end of the container configured to support the container on a surface, the second outer wall comprising a dimple, the dimple having a circular base and an inner portion converging to an opening extending through the second outer wall, and sealing the opening with a resin to form a sealed vacuum cavity to create an insulated double wall structure between the first inner wall and the second outer wall and securing a disc formed of the material over the circular base.
  • the method can also include locating the dimple in a bottom surface of the outer wall.
  • the bottom surface can define a center and the dimple can be located offset from the center.
  • the method can also include forming the disc flush with a surface of the second outer wall, forming the disc and the dimple as not visually apparent to a user, and welding the disc to the second outer wall.
  • the method can include laser welding the disc to the second outer wall.
  • the method can include sealing the disc to the second outer wall with the resin seals.
  • the dimple can be formed in a dome, cone, or frustoconical shape.
  • Another example method of forming a container may include one or more of: forming a first inner wall with a first end having an opening extending into an internal reservoir for receiving liquid, forming a second outer wall into an outer shell for the container, the second outer wall comprising a dimple, forming a dimple in the second outer wall and forming the dimple with a circular base and an inner portion converging to an opening extending through the second outer wall, sealing the opening with sealed a resin to form a sealed vacuum cavity as an insulated double wall structure between the first inner wall and the second outer wall, and providing a cap to cover the dimple, welding and polishing the weld the cap to the second outer wall, such that the weld is not apparent to the user.
  • the method can also include one or more of configuring the cap to support the container on a surface, providing the cap with a weight for damping sound when the container is placed on a surface.
  • the second outer wall can include a bottom surface and the dimple can be located on the bottom surface.
  • the bottom surface can define a center and the dimple can be located at the center.
  • the dimple can be formed into a dome, conical, or frustoconical shape.
  • An insulating container formed of a material that may have: a first outer wall forming an outer shell of the container, the first outer wall may have a first end configured to support the container on a surface, the first outer wall may have a dimple, the dimple may have a circular base and an inner portion converging to an opening extending into the first outer wall, the opening may be sealed by a resin and the circular base may be covered by disc formed of the material; a second inner wall may have a second end that may have an opening extending into an internal reservoir for receiving liquid; a sealed vacuum cavity forming an insulated double wall structure between the first outer wall and the second inner wall, with the first outer wall that may have a first material having a first hardness value and the second inner wall having a second material that may have a second hardness value, and with the first hardness value being different than the second hardness value.
  • the insulated container such that the first material may have a first density and the second material may have a second density, and with the first density higher than the second density.
  • the insulated container such that the first material may be Grade 5 Titanium and the second material may be Grade 2 Titanium.
  • the insulated container such that the first material may be a titanium alloy and the second material may be an aluminum alloy.
  • the insulated container such that the first material may be a titanium alloy and the second material may be a polymer.
  • the insulated container such that the first outer wall may have a bottom portion and the dimple may be located in the bottom portion.
  • the insulated container such that the bottom portion may define a center and the dimple may be offset from the center.
  • the insulated container such that the disc may be flush with a surface of the first outer wall.
  • the insulated container such that the disc and dimple not visually apparent to a user.
  • insulated container such that a weld may connect the disc to the first outer wall.
  • the insulated container such that a resin may seal the disc to the first outer wall.
  • the insulated container such that the dimple may resemble a dome shape.
  • the insulated container such that the first outer wall, the second inner wall, and the disc may be titanium.
  • the insulated container such that the first outer wall, the second inner wall, and the disc may be stainless steel.
  • the insulated container such that the first hardness value is higher than the second hardness value.
  • the insulated container such that the first hardness value may be lower than the second hardness value.
  • the insulated container such that the first outer wall may have a first thickness and the second inner wall may have a second thickness different than the first thickness.
  • the insulated container such that with the first thickness may be greater than the second thickness.
  • the insulated container such that the first thickness may be less than the second thickness.
  • An insulating container formed of a material may have: a first outer wall forming an outer shell of the container, the first outer wall may have a dimple, the dimple may have a circular base and an inner portion converging to an opening extending into the first outer wall, the opening may be sealed by a resin; a second inner wall may have a first end having an opening extending into an internal reservoir for receiving liquid; a sealed vacuum cavity may form an insulated double wall structure between the first outer wall and the second inner wall; and a cap covering the dimple and a weld connecting the cap to the first outer wall, with the weld is not apparent to a user, with the first outer wall having a first material having a first hardness value and the second inner wall has a second material having a second hardness value different from the first hardness value.
  • the insulating container such that the first hardness value may be higher than the second hardness value.
  • the insulating container such that the first hardness value may be lower than the second hardness value.
  • the insulating container such that the first material may have a first density and the second material may have a second density, and with the first density higher than the second density.
  • the insulating container such that the first material may have a first density and the second material may have a second density, and with the first density is lower than the second density.
  • the insulating container such that the first material may be Grade 5 Titanium and the second material may be Grade 2 Titanium.
  • the insulating container such that the first material may be a titanium alloy and the second material may be an aluminum alloy.
  • the insulating container such that the first material may be a titanium alloy and the second material may be a polymer.
  • the insulating container such that the cap may support the container on a surface.
  • the insulating container such that the cap may receive a weight for damping sound when the container is placed on a surface.
  • the insulating container such that the second outer wall may have a bottom surface and with the dimple may be located in the bottom surface.
  • the insulating container such that the bottom surface may define a center and the dimple may be located at the center.
  • the insulating container such that the dimple may resemble a dome shape.
  • the insulating container such that the second outer wall may have a first thickness and the cap may have a second thickness and the second thickness may be greater than the first thickness to dampen sound when the insulating container is placed onto a surface.
  • the insulated container such that the first outer wall may have a first thickness and the second inner wall may have a second thickness different than the first thickness.
  • the insulated container such that the first thickness may be greater than the second thickness.
  • the insulated container such that the first thickness may be less than the second thickness.
  • a method of forming an insulating container may include: forming a first outer wall of a first material into an outer shell for the container, the first outer wall defining a first end of the container configured to support the container on a surface, the first outer wall having a dimple, the dimple having a circular base and an inner portion converging to an opening extending through the first outer wall, forming a second inner wall of a first material defining a second end of the container, the second end having an opening extending into an internal reservoir for receiving liquid; sealing the opening with a resin to form a sealed vacuum cavity to create an insulated double wall structure between the first outer wall and the second inner wall and securing a disc formed of the material over the circular base, with the first material has a first hardness value and the second material has a second hardness value.
  • the method such that the first hardness value may be lower than the second hardness value.
  • the method such that the first hardness value may be higher than the second hardness value.
  • the method such that the first material may have a first density and the second material may have a second density, and the first density may be higher than the second density.
  • the method such that the first material may have a first density and the second material may have a second density, and with the first density being lower than the second density.
  • the method such that the first material is Grade 5 Titanium and the second material is Grade 2 Titanium.
  • the method such that the first material is a titanium alloy and the second material is an aluminum alloy.
  • the method such that the first material is a titanium alloy and the second material is a polymer.
  • the method having a location of the dimple on a bottom surface of the outer wall.
  • the method such that the bottom surface defines a center, and locating the dimple offset from the center.
  • the method such that the disc and the dimple may not be visually apparent to a user.
  • the method such that the disc may be welded to the first outer wall.
  • the method such that the disc may be laser welded to the first outer wall.
  • the method such that the disc may be sealed to the first outer wall with the resin seals.
  • the dimple may be formed in a dome shape.
  • a method of forming a container may include: forming a first outer wall from a first material into an outer shell for the container, the first outer wall having a dimple, forming a dimple in the first outer wall and forming the dimple with a circular base and an inner portion converging to an opening extending through the first outer wall; forming a second inner wall from a second material with a first end having an opening extending into an internal reservoir for receiving liquid; sealing the opening with a resin to form a sealed vacuum cavity as an insulated double wall structure between the first outer wall and the second inner wall; providing a cap to cover the dimple, welding and polishing the weld the cap to the first outer wall, such that the weld is not apparent to the user, with the first material has a first hardness value and the second material has a second hardness value, and with the first hardness value is higher than the second hardness value.
  • the method such that the first material may have a first density and the second material may have a second density, and the first density may be higher than the second density.
  • the method such that the first material may be a Grade 5 Titanium and the second material may be a Grade 2 Titanium.
  • the first material may be a titanium alloy and the second material may be an aluminum alloy.
  • the first material may be a titanium alloy and the second material may be a polymer.
  • the method such that the cap may support the container on a surface.
  • the method which may further have a cap with a weight for damping sound when the container is placed on a surface.
  • the first outer wall may have a bottom surface and locating the dimple on the bottom surface.
  • the method such that the bottom surface defines a center, and the dimple is located at the center.
  • the method such that the dimple is formed into a dome shape.

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